Average Bench: 117% (185th of 1058)

Based on 10,278 user benchmarks.  Models: NVMe PM951 NVMe SAMSU, PM951 NVMe SAMSUNG 256GB

Outstanding average bench

The Samsung PM951 NVMe PCIe M.2 256GB averaged 16.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM951 NVMe PCIe M.2 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 347MB/s
Avg. 4K-64Thread Read Speed 796MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Samsung PM951 NVMe PCIe M.2 256GB is 72.2%. This is a particularly wide range which indicates that the Samsung PM951 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 225MB/s
Avg. Sequential Write Speed 257MB/s
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Average Bench

(Based on 10,278 samples)
Min Avg Max
559 Read 897 1,038
113 Write 257 308
160 Mixed 284 350
71.9 SusWrite 225 299
90.9% 416 MB/s
Min Avg Max
18.1 4K Read 35.5 42
39.5 4K Write 105 159
13.9 4K Mixed 30.4 40.3
148% 56.9 MB/s
Min Avg Max
268 DQ Read 796 987
98.9 DQ Write 256 314
149 DQ Mixed 347 426
303% 466 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
238GB free
Firmware: BXV7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 302 300 301 301 301 301 MB/s
Read 982
Write 306
Mixed 346
SusWrite 301
106% 484 MB/s
4K Read 43.5
4K Write 178
4K Mixed 43.3
216% 88.4 MB/s
DQ Read 988
DQ Write 313
DQ Mixed 419
370% 573 MB/s
161GB free
Firmware: BXV77D0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 299 297 295 296 298 300 MB/s
Read 968
Write 303
Mixed 380
SusWrite 298
107% 487 MB/s
4K Read 42.8
4K Write 176
4K Mixed 40.2
209% 86.2 MB/s
DQ Read 988
DQ Write 311
DQ Mixed 427
373% 575 MB/s
107GB free (System drive)
Firmware: BXV77D0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 193 278 268 268 189 194 MB/s
Read 1,050
Write 305
Mixed 312
SusWrite 232
104% 475 MB/s
4K Read 38.1
4K Write 124
4K Mixed 37.3
171% 66.5 MB/s
DQ Read 965
DQ Write 310
DQ Mixed 416
365% 564 MB/s
187GB free (System drive)
Firmware: BXV77D0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 287 287 279 287 259 297 MB/s
Read 917
Write 303
Mixed 319
SusWrite 283
100% 456 MB/s
4K Read 39.8
4K Write 129
4K Mixed 31.3
169% 66.8 MB/s
DQ Read 986
DQ Write 313
DQ Mixed 416
368% 571 MB/s
154GB free (System drive)
Firmware: BXV77D0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 290 281 294 281 275 280 MB/s
Read 1,010
Write 311
Mixed 296
SusWrite 284
104% 475 MB/s
4K Read 32.4
4K Write 81
4K Mixed 28.7
129% 47.4 MB/s
DQ Read 652
DQ Write 307
DQ Mixed 412
324% 457 MB/s
162GB free (System drive)
Firmware: BXV77D0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 292 287 285 286 293 294 MB/s
Read 826
Write 298
Mixed 302
SusWrite 289
94% 429 MB/s
4K Read 29.2
4K Write 80.4
4K Mixed 30.4
126% 46.7 MB/s
DQ Read 907
DQ Write 309
DQ Mixed 411
355% 542 MB/s
151GB free
Firmware: BXV77D0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 264 233 238 251 271 232 MB/s
Read 942
Write 294
Mixed 329
SusWrite 248
99% 453 MB/s
4K Read 33.2
4K Write 93.2
4K Mixed 32.9
142% 53.1 MB/s
DQ Read 35.8
DQ Write 146
DQ Mixed 36.3
44% 72.7 MB/s
10,278 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 51,465,604 SSDs tested.

Typical PM951 NVMe PCIe M.2 256GB Builds (Compare 2,526 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 10%
Tree trunk
Desktop
Desktop 64%
Destroyer
Workstation
Workstation 10%
Tree trunk

System: Alienware 17 R3

EDIT WITH CUSTOM PC BUILDER

Popular PM951 NVMe PCIe M.2 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) January 2022 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

Added n/a ago.

Excellent

4 years ago.

Fast as heck...at half speed I might add!


Your
opinion?
1058 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-12600K $289Nvidia RTX 3060-Ti $400Crucial MX500 250GB $48
Intel Core i5-12400F $184Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i5-11600K $250Nvidia RTX 3080 $700Samsung 850 Evo 120GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $470SanDisk Ultra Fit 32GB $16
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